Step 1: Get all 16 badges.
Step 2: Get HM Rock Climb from Prof. Oak.
Step 3: Get an Adamant Orb from D/P or Platinum.
Step 4: Go to the Mt. Silver Cave.
Step 5: Surf on the water.
Step 6: Climb the Waterfall.
Step 7: Right in front of you, there should be a smaller cave entrance, go in it.
Step 8: DIALGA will be in the cave at Lv. 70.
Step 9: You can only catch DIALGA in SS, you catch PALKIA in HG and after getting the another Sinnoh dragon (by trade) from the Mt. Silver Cave, put them both in your party and get a Griseous Orb from Platinum.
Step 10: Once you have The Griseous Orb from Platinum, 2 Sinnoh dragons from Mt. Silver Cave, GIRATINA will now be in the cave at Lv. 70, just like DIALGA and PALKIA.
Step 11: GIRATINA will be in Altered Forme and ENJOY :)
If you beat Dialga and Dialga faints, you can no longer catch it.
It depends on which game. you can catch dialga on pearl with a code
You can catch it by first turning Dialga's HP into the red. Then use Ultra Balls or Dusk Balls to catch Dialga. It will take time, and you need to use a few balls to catch Dialga.
You can only catch dialga in dimonid
After you catch Dialga, you do not see the boss again! By Tom Nunn After you catch Dialga, you do not see the boss again! By Tom Nunn
You can catch Dialga in Spear Pillar
You cannot catch palkia in diamond and dialga in pearl but you can catch both of them in Pokemon platinum
You cannot catch Dialga after defeating it. If you defeat it the first time you battle it, then it is all over. You cannot catch him.
no you can only find dialga in dimind
You can't catch Dialga in Pokemon Pearl. You'll need to trade for it.
Easy if u dont catch DIALGA and you kill it, it will say dialga vanish or soming
You Have To Go To Spear Pillar and catch it there but you have to battle the team galactic though then you can catch it. Have a nice time catching Dialga :)